Hydro Delta's High-Efficiency Heat Pump: Clean, Geothermal Power

Hydro Delta's Mega-Tek, a high-efficiency geothermal heat pump, shoots coolant into a system of backyard pipes that have been installed vertically or horizontally in the ground. The coolant flows back into the home at a steady temperature, reducing the energy required to heat or cool it. Startup costs remain high, roughly 50 percent more than a conventional system, but home heating and cooling bills can be cut in half.

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